<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373667</termId><termName>sodium formate</termName><termType>PT</termType><termNote><![CDATA[ The salt of formic acid, sodium formate is used as a neutral buffering agent. It sometimes appears spontaneously as a layer of white crystalline efflorescence on sodium-rich glass artefacts exposed to the pollutant gas formaldehyde.  ]]></termNote><termCreatedDate>2026-03-30 20:40:46</termCreatedDate><relation><relationType>UF</relationType><termId>31373668</termId><termName>formate, sodium</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343447</termId><termName>sodium compounds</termName><termType>PT</termType></relation></term>  </Zthes>